Writing instrument or stylus



FIG. 1 is a top view of an ornamental design for a writing instrument orstylus according to the present invention;

FIG. 2 is a bottom elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a left view thereof.

CLAIM The ornamental design for a writing instrument or stylus, as shownand described.